Theoretically, which two of the following present the richest potential sources of silica?

1.  marine sediments consisting of foram tests

2.  marine sediments consisting of diatom cases (valves)

3.  marine sediments consisting of radiolarian shells

4.  marine sediments consisting of dinoflagellate plates

TLS Online TPP Program

#Question id: 26997

#Unit 10. Ecological Principles

Which of the following data help determine net reproductive rate ?

TLS Online TPP Program

#Question id: 235

#Unit 1. Molecules and their Interaction Relevant to Biology

 In which type of reactions does Q participate?

TLS Online TPP Program

#Question id: 15671

#Unit 2. Cellular Organization

The lag phase of the bacterial growth curve is marked by

TLS Online TPP Program

#Question id: 757

#Unit 1. Molecules and their Interaction Relevant to Biology

_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.

TLS Online TPP Program

#Question id: 14995

#Unit 4. Cell Communication and Cell Signaling

NKT Cells, which share features with both conventional T lymphocytes and NK cells,

Statement-I) Like T-cells, NKT Cells have T-cell receptors (TCRs), and some express CD4.

Statement-II) Like NK cells, NKT Cells have antibody receptors  

Statements-III) they are APCs

Given above statements, which is sharing correct features of NKT cells?